
<!DOCTYPE HTML>
<html lang="zh-hans" >
    <head>
        <meta charset="UTF-8">
        <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
        <title>2.3 转移所有权 · C++并发编程实战（第2版）</title>
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="description" content="">
        <meta name="generator" content="GitBook 3.2.3">
        <meta name="author" content="陈晓伟 chenxiaowei">
        
        
    
    <link rel="stylesheet" href="../../gitbook/style.css">

    
            
                
                <link rel="stylesheet" href="../../gitbook/gitbook-plugin-highlight/website.css">
                
            
                
                <link rel="stylesheet" href="../../gitbook/gitbook-plugin-search/search.css">
                
            
                
                <link rel="stylesheet" href="../../gitbook/gitbook-plugin-fontsettings/website.css">
                
            
        

    

    
        
    
        
    
        
    
        
    
        
    
        
    

        
    
    
    <meta name="HandheldFriendly" content="true"/>
    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <link rel="apple-touch-icon-precomposed" sizes="152x152" href="../../gitbook/images/apple-touch-icon-precomposed-152.png">
    <link rel="shortcut icon" href="../../gitbook/images/favicon.ico" type="image/x-icon">

    
    <link rel="next" href="2.4-chinese.html" />
    
    
    <link rel="prev" href="2.2-chinese.html" />
    

    </head>
    <body>
        
<div class="book">
    <div class="book-summary">
        
            
<div id="book-search-input" role="search">
    <input type="text" placeholder="输入并搜索" />
</div>

            
                <nav role="navigation">
                


<ul class="summary">
    
    

    

    
        
        
    
        <li class="chapter " data-level="1.1" data-path="../../">
            
                <a href="../../">
            
                    
                    Introduction
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.2" data-path="../Praise_for_the_first_edition.html">
            
                <a href="../Praise_for_the_first_edition.html">
            
                    
                    第一版的赞许
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.3" data-path="../preface-chinese.html">
            
                <a href="../preface-chinese.html">
            
                    
                    前言
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4" data-path="../acknowledgments-chinese.html">
            
                <a href="../acknowledgments-chinese.html">
            
                    
                    感谢
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5" data-path="../about_this_book-chinese.html">
            
                <a href="../about_this_book-chinese.html">
            
                    
                    关于本书
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.6" data-path="../about_the_author-chinese.html">
            
                <a href="../about_the_author-chinese.html">
            
                    
                    关于作者
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7" data-path="../about_cover_illustration-chinese.html">
            
                <a href="../about_cover_illustration-chinese.html">
            
                    
                    关于封面
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8" data-path="../chapter1/1.0-chinese.html">
            
                <a href="../chapter1/1.0-chinese.html">
            
                    
                    第1章 你好，并发世界
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.8.1" data-path="../chapter1/1.1-chinese.html">
            
                <a href="../chapter1/1.1-chinese.html">
            
                    
                    1.1 何谓并发
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.2" data-path="../chapter1/1.2-chinese.html">
            
                <a href="../chapter1/1.2-chinese.html">
            
                    
                    1.2 为什么使用并发
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.3" data-path="../chapter1/1.3-chinese.html">
            
                <a href="../chapter1/1.3-chinese.html">
            
                    
                    1.3 并发和多线程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.4" data-path="../chapter1/1.4-chinese.html">
            
                <a href="../chapter1/1.4-chinese.html">
            
                    
                    1.4 开始入门
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.5" data-path="../chapter1/1.5-chinese.html">
            
                <a href="../chapter1/1.5-chinese.html">
            
                    
                    1.5 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.9" data-path="2.0-chinese.html">
            
                <a href="2.0-chinese.html">
            
                    
                    第2章 线程管理
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.9.1" data-path="2.1-chinese.html">
            
                <a href="2.1-chinese.html">
            
                    
                    2.1 线程的基本操作
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.2" data-path="2.2-chinese.html">
            
                <a href="2.2-chinese.html">
            
                    
                    2.2 传递参数
            
                </a>
            

            
        </li>
    
        <li class="chapter active" data-level="1.9.3" data-path="2.3-chinese.html">
            
                <a href="2.3-chinese.html">
            
                    
                    2.3 转移所有权
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.4" data-path="2.4-chinese.html">
            
                <a href="2.4-chinese.html">
            
                    
                    2.4 确定线程数量
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.5" data-path="2.5-chinese.html">
            
                <a href="2.5-chinese.html">
            
                    
                    2.5 线程标识
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.6" data-path="2.6-chinese.html">
            
                <a href="2.6-chinese.html">
            
                    
                    2.6 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.10" data-path="../chapter3/3.0-chinese.html">
            
                <a href="../chapter3/3.0-chinese.html">
            
                    
                    第3章 共享数据
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.10.1" data-path="../chapter3/3.1-chinese.html">
            
                <a href="../chapter3/3.1-chinese.html">
            
                    
                    3.1 共享数据的问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.2" data-path="../chapter3/3.2-chinese.html">
            
                <a href="../chapter3/3.2-chinese.html">
            
                    
                    3.2 使用互斥量
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.3" data-path="../chapter3/3.3-chinese.html">
            
                <a href="../chapter3/3.3-chinese.html">
            
                    
                    3.3 保护共享数据的方式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.4" data-path="../chapter3/3.4-chinese.html">
            
                <a href="../chapter3/3.4-chinese.html">
            
                    
                    3.4 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.11" data-path="../chapter4/4.0-chinese.html">
            
                <a href="../chapter4/4.0-chinese.html">
            
                    
                    第4章 同步操作
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.11.1" data-path="../chapter4/4.1-chinese.html">
            
                <a href="../chapter4/4.1-chinese.html">
            
                    
                    4.1 等待事件或条件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.2" data-path="../chapter4/4.2-chinese.html">
            
                <a href="../chapter4/4.2-chinese.html">
            
                    
                    4.2 使用future
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.3" data-path="../chapter4/4.3-chinese.html">
            
                <a href="../chapter4/4.3-chinese.html">
            
                    
                    4.3 限时等待
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.4" data-path="../chapter4/4.4-chinese.html">
            
                <a href="../chapter4/4.4-chinese.html">
            
                    
                    4.4 简化代码
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.5" data-path="../chapter4/4.5-chinese.html">
            
                <a href="../chapter4/4.5-chinese.html">
            
                    
                    4.5 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.12" data-path="../chapter5/5.0-chinese.html">
            
                <a href="../chapter5/5.0-chinese.html">
            
                    
                    第5章 内存模型和原子操作
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.12.1" data-path="../chapter5/5.1-chinese.html">
            
                <a href="../chapter5/5.1-chinese.html">
            
                    
                    5.1 内存模型
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.2" data-path="../chapter5/5.2-chinese.html">
            
                <a href="../chapter5/5.2-chinese.html">
            
                    
                    5.2 原子操作和原子类型
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.3" data-path="../chapter5/5.3-chinese.html">
            
                <a href="../chapter5/5.3-chinese.html">
            
                    
                    5.3 同步操作和强制排序
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.4" data-path="../chapter5/5.4-chinese.html">
            
                <a href="../chapter5/5.4-chinese.html">
            
                    
                    5.4 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.13" data-path="../chapter6/6.0-chinese.html">
            
                <a href="../chapter6/6.0-chinese.html">
            
                    
                    第6章 设计基于锁的并发数据结构
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.13.1" data-path="../chapter6/6.1-chinese.html">
            
                <a href="../chapter6/6.1-chinese.html">
            
                    
                    6.1 并发设计的意义
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.2" data-path="../chapter6/6.2-chinese.html">
            
                <a href="../chapter6/6.2-chinese.html">
            
                    
                    6.2 基于锁的并发数据结构
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.3" data-path="../chapter6/6.3-chinese.html">
            
                <a href="../chapter6/6.3-chinese.html">
            
                    
                    6.3 设计更加复杂的数据结构
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.4" data-path="../chapter6/6.4-chinese.html">
            
                <a href="../chapter6/6.4-chinese.html">
            
                    
                    6.4 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14" data-path="../chapter7/7.0-chinese.html">
            
                <a href="../chapter7/7.0-chinese.html">
            
                    
                    第7章 设计无锁的并发数据结构
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1" data-path="../chapter7/7.1-chinese.html">
            
                <a href="../chapter7/7.1-chinese.html">
            
                    
                    7.1 定义和意义
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.2" data-path="../chapter7/7.2-chinese.html">
            
                <a href="../chapter7/7.2-chinese.html">
            
                    
                    7.2 无锁数据结构的例子
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.3" data-path="../chapter7/7.3-chinese.html">
            
                <a href="../chapter7/7.3-chinese.html">
            
                    
                    7.3 设计无锁数据结构的指导建议
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.4" data-path="../chapter7/7.4-chinese.html">
            
                <a href="../chapter7/7.4-chinese.html">
            
                    
                    7.4 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.15" data-path="../chapter8/8.0-chinese.html">
            
                <a href="../chapter8/8.0-chinese.html">
            
                    
                    第8章 并发设计
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.15.1" data-path="../chapter8/8.1-chinese.html">
            
                <a href="../chapter8/8.1-chinese.html">
            
                    
                    8.1 线程间划分工作
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.2" data-path="../chapter8/8.2-chinese.html">
            
                <a href="../chapter8/8.2-chinese.html">
            
                    
                    8.2 并发代码的性能
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.3" data-path="../chapter8/8.3-chinese.html">
            
                <a href="../chapter8/8.3-chinese.html">
            
                    
                    8.3 为多线程性能设计数据结构
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.4" data-path="../chapter8/8.4-chinese.html">
            
                <a href="../chapter8/8.4-chinese.html">
            
                    
                    8.4 设计并发代码的注意事项
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.5" data-path="../chapter8/8.5-chinese.html">
            
                <a href="../chapter8/8.5-chinese.html">
            
                    
                    8.5 在实践中设计并发代码
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.6" data-path="../chapter8/8.6-chinese.html">
            
                <a href="../chapter8/8.6-chinese.html">
            
                    
                    8.6 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16" data-path="../chapter9/9.0-chinese.html">
            
                <a href="../chapter9/9.0-chinese.html">
            
                    
                    第9章 高级线程管理
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.1" data-path="../chapter9/9.1-chinese.html">
            
                <a href="../chapter9/9.1-chinese.html">
            
                    
                    9.1 线程池
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.2" data-path="../chapter9/9.2-chinese.html">
            
                <a href="../chapter9/9.2-chinese.html">
            
                    
                    9.2 中断线程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3" data-path="../chapter9/9.3-chinese.html">
            
                <a href="../chapter9/9.3-chinese.html">
            
                    
                    9.3 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.17" data-path="../chapter10/10.0-chinese.html">
            
                <a href="../chapter10/10.0-chinese.html">
            
                    
                    第10章 并行算法
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.17.1" data-path="../chapter10/10.1-chinese.html">
            
                <a href="../chapter10/10.1-chinese.html">
            
                    
                    10.1 并行化标准库算法
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.2" data-path="../chapter10/10.2-chinese.html">
            
                <a href="../chapter10/10.2-chinese.html">
            
                    
                    10.2 执行策略
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.3" data-path="../chapter10/10.3-chinese.html">
            
                <a href="../chapter10/10.3-chinese.html">
            
                    
                    10.3 C++标准库中的并行算法
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.4" data-path="../chapter10/10.4-chinese.html">
            
                <a href="../chapter10/10.4-chinese.html">
            
                    
                    10.4 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.18" data-path="../chapter11/11.0-chinese.html">
            
                <a href="../chapter11/11.0-chinese.html">
            
                    
                    第11章 测试和调试多线程应用
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.18.1" data-path="../chapter11/11.1-chinese.html">
            
                <a href="../chapter11/11.1-chinese.html">
            
                    
                    11.1 与并发相关的Bug
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.2" data-path="../chapter11/11.2-chinese.html">
            
                <a href="../chapter11/11.2-chinese.html">
            
                    
                    11.2 定位并发Bug的技巧
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.3" data-path="../chapter11/11.3-chinese.html">
            
                <a href="../chapter11/11.3-chinese.html">
            
                    
                    11.3 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.19" data-path="../appendix_A/A.0-chinese.html">
            
                <a href="../appendix_A/A.0-chinese.html">
            
                    
                    附录A C++11特性简明参考(部分)
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.19.1" data-path="../appendix_A/A.1-chinese.html">
            
                <a href="../appendix_A/A.1-chinese.html">
            
                    
                    A.1 右值引用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.2" data-path="../appendix_A/A.2-chinese.html">
            
                <a href="../appendix_A/A.2-chinese.html">
            
                    
                    A.2 删除函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.3" data-path="../appendix_A/A.3-chinese.html">
            
                <a href="../appendix_A/A.3-chinese.html">
            
                    
                    A.3 默认函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.4" data-path="../appendix_A/A.4-chinese.html">
            
                <a href="../appendix_A/A.4-chinese.html">
            
                    
                    A.4 常量表达式函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.5" data-path="../appendix_A/A.5-chinese.html">
            
                <a href="../appendix_A/A.5-chinese.html">
            
                    
                    A.5 Lambda函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.6" data-path="../appendix_A/A.6-chinese.html">
            
                <a href="../appendix_A/A.6-chinese.html">
            
                    
                    A.6 变参模板
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.7" data-path="../appendix_A/A.7-chinese.html">
            
                <a href="../appendix_A/A.7-chinese.html">
            
                    
                    A.7 自动推导变量类型
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.8" data-path="../appendix_A/A.8-chinese.html">
            
                <a href="../appendix_A/A.8-chinese.html">
            
                    
                    A.8 线程本地变量
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.9" data-path="../appendix_A/A.9-chinese.html">
            
                <a href="../appendix_A/A.9-chinese.html">
            
                    
                    A.9 模板类参数的推导
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.19.10" data-path="../appendix_A/A.10-chinese.html">
            
                <a href="../appendix_A/A.10-chinese.html">
            
                    
                    A.10 本章总结
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.20" data-path="../appendix_B/B.0-chinese.html">
            
                <a href="../appendix_B/B.0-chinese.html">
            
                    
                    附录B 并发库简要对比
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.21" data-path="../appendix_C/C.0-chinese.html">
            
                <a href="../appendix_C/C.0-chinese.html">
            
                    
                    附录C 消息传递框架与完整的ATM示例
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22" data-path="../appendix_D/D.0-chinese.html">
            
                <a href="../appendix_D/D.0-chinese.html">
            
                    
                    附录D C++线程类库参考
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.22.1" data-path="../appendix_D/D.1-chinese.html">
            
                <a href="../appendix_D/D.1-chinese.html">
            
                    
                    D.1 chrono头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22.2" data-path="../appendix_D/D.2-chinese.html">
            
                <a href="../appendix_D/D.2-chinese.html">
            
                    
                    D.2 condition_variable头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22.3" data-path="../appendix_D/D.3-chinese.html">
            
                <a href="../appendix_D/D.3-chinese.html">
            
                    
                    D.3 atomic头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22.4" data-path="../appendix_D/D.4-chinese.html">
            
                <a href="../appendix_D/D.4-chinese.html">
            
                    
                    D.4 future头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22.5" data-path="../appendix_D/D.5-chinese.html">
            
                <a href="../appendix_D/D.5-chinese.html">
            
                    
                    D.5 mutex头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22.6" data-path="../appendix_D/D.6-chinese.html">
            
                <a href="../appendix_D/D.6-chinese.html">
            
                    
                    D.6 ratio头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.22.7" data-path="../appendix_D/D.7-chinese.html">
            
                <a href="../appendix_D/D.7-chinese.html">
            
                    
                    D.7 thread头文件
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    

    <li class="divider"></li>

    <li>
        <a href="https://www.gitbook.com" target="blank" class="gitbook-link">
            本书使用 GitBook 发布
        </a>
    </li>
</ul>


                </nav>
            
        
    </div>

    <div class="book-body">
        
            <div class="body-inner">
                
                    

<div class="book-header" role="navigation">
    

    <!-- Title -->
    <h1>
        <i class="fa fa-circle-o-notch fa-spin"></i>
        <a href="../.." >2.3 转移所有权</a>
    </h1>
</div>




                    <div class="page-wrapper" tabindex="-1" role="main">
                        <div class="page-inner">
                            
<div id="book-search-results">
    <div class="search-noresults">
    
                                <section class="normal markdown-section">
                                
                                <h1 id="23-&#x8F6C;&#x79FB;&#x6240;&#x6709;&#x6743;">2.3 &#x8F6C;&#x79FB;&#x6240;&#x6709;&#x6743;</h1>
<p>&#x5047;&#x8BBE;&#x901A;&#x8FC7;&#x65B0;&#x7EBF;&#x7A0B;&#x8FD4;&#x56DE;&#x7684;&#x6240;&#x6709;&#x6743;&#x53BB;&#x8C03;&#x7528;&#x4E00;&#x4E2A;&#x9700;&#x8981;&#x540E;&#x53F0;&#x542F;&#x52A8;&#x7EBF;&#x7A0B;&#x7684;&#x51FD;&#x6570;&#xFF0C;&#x5E76;&#x9700;&#x8981;&#x5728;&#x51FD;&#x6570;&#x4E2D;&#x8F6C;&#x79FB;&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#x3002;&#x8FD9;&#x4E9B;&#x64CD;&#x4F5C;&#x90FD;&#x8981;&#x7B49;&#x5F85;&#x7EBF;&#x7A0B;&#x7ED3;&#x675F;&#x624D;&#x80FD;&#x8FDB;&#x884C;&#xFF0C;&#x5E76;&#x4E14;&#x9700;&#x8981;&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#x80FD;&#x591F;&#x8FDB;&#x884C;&#x8F6C;&#x79FB;&#x3002;</p>
<p>&#x8FD9;&#x5C31;&#x662F;&#x5C06;&#x79FB;&#x52A8;&#x64CD;&#x4F5C;&#x5F15;&#x5165;<code>std::thread</code>&#x7684;&#x539F;&#x56E0;&#xFF0C;C++&#x6807;&#x51C6;&#x5E93;&#x4E2D;&#x6709;&#x5F88;&#x591A;<em>&#x8D44;&#x6E90;&#x5360;&#x6709;</em>(resource-owning)&#x7C7B;&#x578B;&#xFF0C;&#x6BD4;&#x5982;<code>std::ifstream</code>&#xFF0C;<code>std::unique_ptr</code>&#x8FD8;&#x6709;<code>std::thread</code>&#x90FD;&#x662F;&#x53EF;&#x79FB;&#x52A8;&#xFF0C;&#x4F46;&#x4E0D;&#x53EF;&#x590D;&#x5236;&#x3002;&#x8FD9;&#x8BF4;&#x660E;&#x6267;&#x884C;&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#x53EF;&#x4EE5;&#x5728;<code>std::thread</code>&#x5B9E;&#x4F8B;&#x4E2D;&#x79FB;&#x52A8;&#xFF0C;&#x4E0B;&#x9762;&#x5C06;&#x5C55;&#x793A;&#x4E00;&#x4E2A;&#x4F8B;&#x5B50;&#x3002;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x521B;&#x5EFA;&#x4E86;&#x4E24;&#x4E2A;&#x6267;&#x884C;&#x7EBF;&#x7A0B;&#xFF0C;&#x5E76;&#x5728;<code>std::thread</code>&#x5B9E;&#x4F8B;&#x4E4B;&#x95F4;(t1&#xFF0C;t2&#x548C;t3)&#x8F6C;&#x79FB;&#x6240;&#x6709;&#x6743;&#xFF1A;</p>
<pre><code class="lang-c++"><span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">some_function</span><span class="hljs-params">()</span></span>;
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">some_other_function</span><span class="hljs-params">()</span></span>;
<span class="hljs-built_in">std</span>::<span class="hljs-function">thread <span class="hljs-title">t1</span><span class="hljs-params">(some_function)</span></span>;            <span class="hljs-comment">// 1</span>
<span class="hljs-built_in">std</span>::thread t2=<span class="hljs-built_in">std</span>::move(t1);            <span class="hljs-comment">// 2</span>
t1=<span class="hljs-built_in">std</span>::thread(some_other_function);    <span class="hljs-comment">// 3</span>
<span class="hljs-built_in">std</span>::thread t3;                            <span class="hljs-comment">// 4</span>
t3=<span class="hljs-built_in">std</span>::move(t2);                        <span class="hljs-comment">// 5</span>
t1=<span class="hljs-built_in">std</span>::move(t3);                        <span class="hljs-comment">// 6 &#x8D4B;&#x503C;&#x64CD;&#x4F5C;&#x5C06;&#x4F7F;&#x7A0B;&#x5E8F;&#x5D29;&#x6E83;</span>
</code></pre>
<p>&#x9996;&#x5148;&#xFF0C;&#x65B0;&#x7EBF;&#x7A0B;&#x4E0E;t1&#x76F8;&#x5173;&#x8054;&#x2460;&#x3002;&#x5F53;&#x663E;&#x5F0F;&#x4F7F;&#x7528;<code>std::move()</code>&#x521B;&#x5EFA;t2&#x540E;&#x2461;&#xFF0C;t1&#x7684;&#x6240;&#x6709;&#x6743;&#x5C31;&#x8F6C;&#x79FB;&#x7ED9;&#x4E86;t2&#x3002;&#x4E4B;&#x540E;&#xFF0C;t1&#x548C;&#x6267;&#x884C;&#x7EBF;&#x7A0B;&#x5DF2;&#x7ECF;&#x6CA1;&#x6709;&#x5173;&#x8054;&#x4E86;&#xFF0C;&#x6267;&#x884C;some_function&#x7684;&#x51FD;&#x6570;&#x7EBF;&#x7A0B;&#x4E0E;t2&#x5173;&#x8054;&#x3002;</p>
<p>&#x7136;&#x540E;&#xFF0C;&#x4E34;&#x65F6;<code>std::thread</code>&#x5BF9;&#x8C61;&#x76F8;&#x5173;&#x7684;&#x7EBF;&#x7A0B;&#x542F;&#x52A8;&#x4E86;&#x2462;&#x3002;&#x4E3A;&#x4EC0;&#x4E48;&#x4E0D;&#x663E;&#x5F0F;&#x8C03;&#x7528;<code>std::move()</code>&#x8F6C;&#x79FB;&#x6240;&#x6709;&#x6743;&#x5462;&#xFF1F;&#x56E0;&#x4E3A;&#xFF0C;&#x6240;&#x6709;&#x8005;&#x662F;&#x4E00;&#x4E2A;&#x4E34;&#x65F6;&#x5BF9;&#x8C61;&#x2014;&#x2014;&#x79FB;&#x52A8;&#x64CD;&#x4F5C;&#x5C06;&#x4F1A;&#x9690;&#x5F0F;&#x7684;&#x8C03;&#x7528;&#x3002;</p>
<p>t3&#x4F7F;&#x7528;&#x9ED8;&#x8BA4;&#x6784;&#x9020;&#x65B9;&#x5F0F;&#x521B;&#x5EFA;&#x2463;&#xFF0C;&#x6CA1;&#x6709;&#x4E0E;&#x4EFB;&#x4F55;&#x7EBF;&#x7A0B;&#x8FDB;&#x884C;&#x5173;&#x8054;&#x3002;&#x8C03;&#x7528;<code>std::move()</code>&#x5C06;t2&#x5173;&#x8054;&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#x8F6C;&#x79FB;&#x5230;t3&#x4E2D;&#x2464;&#x3002;&#x56E0;&#x4E3A;t2&#x662F;&#x4E00;&#x4E2A;&#x547D;&#x540D;&#x5BF9;&#x8C61;&#xFF0C;&#x9700;&#x8981;&#x663E;&#x5F0F;&#x7684;&#x8C03;&#x7528;<code>std::move()</code>&#x3002;&#x79FB;&#x52A8;&#x64CD;&#x4F5C;&#x2464;&#x5B8C;&#x6210;&#x540E;&#xFF0C;t1&#x4E0E;&#x6267;&#x884C;some_other_function&#x7684;&#x7EBF;&#x7A0B;&#x76F8;&#x5173;&#x8054;&#xFF0C;t2&#x4E0E;&#x4EFB;&#x4F55;&#x7EBF;&#x7A0B;&#x90FD;&#x65E0;&#x5173;&#x8054;&#xFF0C;t3&#x4E0E;&#x6267;&#x884C;some_function&#x7684;&#x7EBF;&#x7A0B;&#x76F8;&#x5173;&#x8054;&#x3002;</p>
<p>&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x79FB;&#x52A8;&#x64CD;&#x4F5C;&#xFF0C;&#x5C06;some_function&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#x8F6C;&#x79FB;&#x2465;&#x7ED9;t1&#x3002;&#x4E0D;&#x8FC7;&#xFF0C;t1&#x5DF2;&#x7ECF;&#x6709;&#x4E86;&#x4E00;&#x4E2A;&#x5173;&#x8054;&#x7684;&#x7EBF;&#x7A0B;(&#x6267;&#x884C;some_other_function&#x7684;&#x7EBF;&#x7A0B;)&#xFF0C;&#x6240;&#x4EE5;&#x8FD9;&#x91CC;&#x7CFB;&#x7EDF;&#x76F4;&#x63A5;&#x8C03;&#x7528;<code>std::terminate()</code>&#x7EC8;&#x6B62;&#x7A0B;&#x5E8F;&#x7EE7;&#x7EED;&#x8FD0;&#x884C;&#x3002;&#x8FD9;&#x6837;&#x505A;(&#x4E0D;&#x629B;&#x51FA;&#x5F02;&#x5E38;&#xFF0C;<code>std::terminate()</code>&#x662F;<a href="http://www.baidu.com/link?url=5JjyAaqAzTTXfKVx1iXU2L1aR__8o4wfW4iotLW1BiUCTzDHjbGcX7Qx42FOcd0K4xe2MDFgL5r7BCiVClXCDq" target="_blank"><em>noexcept</em></a>&#x51FD;&#x6570;)&#x662F;&#x4E3A;&#x4E86;&#x4FDD;&#x8BC1;&#x4E0E;<code>std::thread</code>&#x7684;&#x6790;&#x6784;&#x51FD;&#x6570;&#x7684;&#x884C;&#x4E3A;&#x4E00;&#x81F4;&#x3002;2.1.1&#x8282;&#x4E2D;&#xFF0C;&#x9700;&#x8981;&#x5728;&#x7EBF;&#x7A0B;&#x5BF9;&#x8C61;&#x6790;&#x6784;&#x524D;&#xFF0C;&#x663E;&#x5F0F;&#x7684;&#x7B49;&#x5F85;&#x7EBF;&#x7A0B;&#x5B8C;&#x6210;&#xFF0C;&#x6216;&#x8005;&#x5206;&#x79BB;&#x5B83;&#xFF0C;&#x8FDB;&#x884C;&#x8D4B;&#x503C;&#x65F6;&#x4E5F;&#x9700;&#x8981;&#x6EE1;&#x8DB3;&#x8FD9;&#x4E9B;&#x6761;&#x4EF6;(&#x8BF4;&#x660E;&#xFF1A;&#x4E0D;&#x80FD;&#x901A;&#x8FC7;&#x8D4B;&#x65B0;&#x503C;&#x7ED9;<code>std::thread</code>&#x5BF9;&#x8C61;&#x7684;&#x65B9;&#x5F0F;&#x6765;&quot;&#x4E22;&#x5F03;&quot;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;)&#x3002;</p>
<p><code>std::thread</code>&#x652F;&#x6301;&#x79FB;&#x52A8;&#xFF0C;&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#x53EF;&#x4EE5;&#x5728;&#x51FD;&#x6570;&#x5916;&#x8FDB;&#x884C;&#x8F6C;&#x79FB;&#xFF0C;&#x5C31;&#x5982;&#x4E0B;&#x9762;&#x7A0B;&#x5E8F;&#x4E00;&#x6837;&#x3002;</p>
<p>&#x4EE3;&#x7801;2.5 &#x51FD;&#x6570;&#x8FD4;&#x56DE;<code>std::thread</code>&#x5BF9;&#x8C61;</p>
<pre><code class="lang-c++"><span class="hljs-built_in">std</span>::<span class="hljs-function">thread <span class="hljs-title">f</span><span class="hljs-params">()</span>
</span>{
  <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">some_function</span><span class="hljs-params">()</span></span>;
  <span class="hljs-keyword">return</span> <span class="hljs-built_in">std</span>::thread(some_function);
}

<span class="hljs-built_in">std</span>::<span class="hljs-function">thread <span class="hljs-title">g</span><span class="hljs-params">()</span>
</span>{
  <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">some_other_function</span><span class="hljs-params">(<span class="hljs-keyword">int</span>)</span></span>;
  <span class="hljs-built_in">std</span>::<span class="hljs-function">thread <span class="hljs-title">t</span><span class="hljs-params">(some_other_function,<span class="hljs-number">42</span>)</span></span>;
  <span class="hljs-keyword">return</span> t;
}
</code></pre>
<p>&#x5F53;&#x6240;&#x6709;&#x6743;&#x53EF;&#x4EE5;&#x5728;&#x51FD;&#x6570;&#x5185;&#x90E8;&#x4F20;&#x9012;&#xFF0C;&#x5C31;&#x5141;&#x8BB8;<code>std::thread</code>&#x5B9E;&#x4F8B;&#x4F5C;&#x4E3A;&#x53C2;&#x6570;&#x8FDB;&#x884C;&#x4F20;&#x9012;&#xFF0C;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-c++"><span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">f</span><span class="hljs-params">(<span class="hljs-built_in">std</span>::thread t)</span></span>;
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">g</span><span class="hljs-params">()</span>
</span>{
  <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">some_function</span><span class="hljs-params">()</span></span>;
  f(<span class="hljs-built_in">std</span>::thread(some_function));
  <span class="hljs-built_in">std</span>::<span class="hljs-function">thread <span class="hljs-title">t</span><span class="hljs-params">(some_function)</span></span>;
  f(<span class="hljs-built_in">std</span>::move(t));
}
</code></pre>
<p><code>std::thread</code>&#x652F;&#x6301;&#x79FB;&#x52A8;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;thread_guard&#x7C7B;&#x7684;&#x5B9E;&#x4F8B;(&#x5B9A;&#x4E49;&#x89C1;&#x4EE3;&#x7801;2.3)&#xFF0C;&#x5E76;&#x4E14;&#x62E5;&#x6709;&#x7EBF;&#x7A0B;&#x6240;&#x6709;&#x6743;&#x3002;&#x5F53;&#x5F15;&#x7528;thread_guard&#x5BF9;&#x8C61;&#x6240;&#x6301;&#x6709;&#x7684;&#x7EBF;&#x7A0B;&#x65F6;&#xFF0C;&#x79FB;&#x52A8;&#x64CD;&#x4F5C;&#x5C31;&#x53EF;&#x4EE5;&#x907F;&#x514D;&#x5F88;&#x591A;&#x4E0D;&#x5FC5;&#x8981;&#x7684;&#x9EBB;&#x70E6;&#x3002;&#x5F53;&#x67D0;&#x4E2A;&#x5BF9;&#x8C61;&#x8F6C;&#x79FB;&#x4E86;&#x7EBF;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x6743;&#xFF0C;&#x5C31;&#x4E0D;&#x80FD;&#x5BF9;&#x7EBF;&#x7A0B;&#x8FDB;&#x884C;&#x6C47;&#x5165;&#x6216;&#x5206;&#x79BB;&#x3002;&#x4E3A;&#x4E86;&#x786E;&#x4FDD;&#x7EBF;&#x7A0B;&#x5728;&#x7A0B;&#x5E8F;&#x9000;&#x51FA;&#x524D;&#x5B8C;&#x6210;&#xFF0C;&#x5B9A;&#x4E49;&#x4E86;scoped_thread&#x7C7B;&#x3002;&#x73B0;&#x5728;&#xFF0C;&#x6211;&#x4EEC;&#x6765;&#x770B;&#x4E00;&#x4E0B;&#x8FD9;&#x4E2A;&#x7C7B;&#x578B;&#xFF1A;</p>
<p>&#x4EE3;&#x7801;2.6 scoped_thread&#x7684;&#x7528;&#x6CD5;</p>
<pre><code class="lang-c++">class scoped_thread
{
  std::thread t;
public:
  explicit scoped_thread(std::thread t_): // 1
    t(std::move(t_))
  {
    if(!t.joinable())  // 2
      throw std::logic_error(&#x201C;No thread&#x201D;);
  }
  ~scoped_thread()
  {
    t.join(); // 3
  }
  scoped_thread(scoped_thread const&amp;)=delete;
  scoped_thread&amp; operator=(scoped_thread const&amp;)=delete;
};

struct func; // &#x5B9A;&#x4E49;&#x5728;&#x4EE3;&#x7801;2.1&#x4E2D;

void f()
{
  int some_local_state;
  scoped_thread t(std::thread(func(some_local_state)));    // 4
  do_something_in_current_thread();
} // 5
</code></pre>
<p>&#x4E0E;&#x4EE3;&#x7801;2.3&#x76F8;&#x4F3C;&#xFF0C;&#x4E0D;&#x8FC7;&#x65B0;&#x7EBF;&#x7A0B;&#x4F1A;&#x76F4;&#x63A5;&#x4F20;&#x9012;&#x5230;scoped_thread&#x4E2D;&#x2463;&#xFF0C;&#x800C;&#x975E;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x72EC;&#x7ACB;&#x53D8;&#x91CF;&#x3002;&#x5F53;&#x4E3B;&#x7EBF;&#x7A0B;&#x5230;&#x8FBE;f()&#x672B;&#x5C3E;&#x65F6;&#x2464;&#xFF0C;scoped_thread&#x5BF9;&#x8C61;&#x5C31;&#x4F1A;&#x9500;&#x6BC1;&#xFF0C;&#x7136;&#x540E;&#x5728;&#x6790;&#x6784;&#x51FD;&#x6570;&#x4E2D;&#x5B8C;&#x6210;&#x6C47;&#x5165;&#x2462;&#x3002;&#x4EE3;&#x7801;2.3&#x4E2D;&#x7684;thread_guard&#x7C7B;&#xFF0C;&#x9700;&#x8981;&#x5728;&#x6790;&#x6784;&#x4E2D;&#x68C0;&#x67E5;&#x7EBF;&#x7A0B;&#x662F;&#x5426;&#x201C;&#x53EF;&#x6C47;&#x5165;&#x201D;&#x3002;&#x8FD9;&#x91CC;&#x628A;&#x68C0;&#x67E5;&#x653E;&#x5728;&#x4E86;&#x6784;&#x9020;&#x51FD;&#x6570;&#x4E2D;&#x2461;&#xFF0C;&#x5E76;&#x4E14;&#x5F53;&#x7EBF;&#x7A0B;&#x4E0D;&#x53EF;&#x6C47;&#x5165;&#x65F6;&#x629B;&#x51FA;&#x5F02;&#x5E38;&#x3002;</p>
<p>C++17&#x6807;&#x51C6;&#x7ED9;&#x51FA;&#x4E00;&#x4E2A;&#x5EFA;&#x8BAE;&#xFF0C;&#x5C31;&#x662F;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;joining_thread&#x7684;&#x7C7B;&#x578B;&#xFF0C;&#x8FD9;&#x4E2A;&#x7C7B;&#x578B;&#x4E0E;<code>std::thread</code>&#x7C7B;&#x4F3C;&#xFF0C;&#x4E0D;&#x540C;&#x662F;&#x7684;&#x6DFB;&#x52A0;&#x4E86;&#x6790;&#x6784;&#x51FD;&#x6570;&#xFF0C;&#x5C31;&#x7C7B;&#x4F3C;&#x4E8E;scoped_thread&#x3002;&#x59D4;&#x5458;&#x4F1A;&#x6210;&#x5458;&#x4EEC;&#x5BF9;&#x6B64;&#x5E76;&#x6CA1;&#x6709;&#x8FBE;&#x6210;&#x7EDF;&#x4E00;&#x5171;&#x8BC6;&#xFF0C;&#x6240;&#x4EE5;&#x8FD9;&#x4E2A;&#x7C7B;&#x6CA1;&#x6709;&#x6DFB;&#x52A0;&#x5165;C++17&#x6807;&#x51C6;&#x4E2D;(C++20&#x4ECD;&#x65E7;&#x5BF9;&#x8FD9;&#x79CD;&#x65B9;&#x5F0F;&#x8FDB;&#x884C;&#x63A2;&#x8BA8;&#xFF0C;&#x4E0D;&#x8FC7;&#x540D;&#x79F0;&#x4E3A;<code>std::jthread</code>)&#xFF0C;&#x8FD9;&#x4E2A;&#x7C7B;&#x5B9E;&#x73B0;&#x8D77;&#x6765;&#x4E5F;&#x4E0D;&#x662F;&#x5F88;&#x56F0;&#x96BE;&#x3002;</p>
<p>&#x4EE3;&#x7801;2.7 joining_thread&#x7C7B;&#x7684;&#x5B9E;&#x73B0;</p>
<pre><code class="lang-c++">class joining_thread
{
  std::thread t;
public:
  joining_thread() noexcept=default;
  template&lt;typename Callable,typename ... Args&gt;
  explicit joining_thread(Callable&amp;&amp; func,Args&amp;&amp; ... args):
    t(std::forward&lt;Callable&gt;(func),std::forward&lt;Args&gt;(args)...)
  {}
  explicit joining_thread(std::thread t_) noexcept:
    t(std::move(t_))
  {}
  joining_thread(joining_thread&amp;&amp; other) noexcept:
    t(std::move(other.t))
  {}
  joining_thread&amp; operator=(joining_thread&amp;&amp; other) noexcept
  {
    if&#xFF08;joinable()&#xFF09;{
      join();
    }
    t = std::move(other.t);
    return *this;
  }
  joining_thread&amp; operator=(std::thread other) noexcept
  {
    if(joinable())
      join();
    t=std::move(other);
    return *this;
  }
  ~joining_thread() noexcept
  {
    if(joinable())
    join();
  }
  void swap(joining_thread&amp; other) noexcept
  {
    t.swap(other.t);
  }
  std::thread::id get_id() const noexcept{
    return t.get_id();
  }
  bool joinable() const noexcept
  {
    return t.joinable();
  }
  void join()
  {
    t.join();
  }
  void detach()
  {
    t.detach();
  }
  std::thread&amp; as_thread() noexcept
  {
    return t;
  }
  const std::thread&amp; as_thread() const noexcept
  {
    return t;
  }
};
</code></pre>
<p><code>std::thread</code>&#x4E2D;&#x5BF9;&#x79FB;&#x52A8;&#x8BED;&#x4E49;&#x7684;&#x652F;&#x6301;&#xFF0C;&#x4E5F;&#x9002;&#x7528;&#x4E8E;&#x4F7F;&#x7528;<code>std::thread</code>&#x7684;<strong>&#x79FB;&#x52A8;&#x654F;&#x611F;</strong>(move-aware)&#x5BB9;&#x5668;(&#x6BD4;&#x5982;&#xFF0C;<code>std::vector&lt;&gt;</code>)&#x3002;&#x4E86;&#x89E3;&#x8FD9;&#x4E9B;&#x540E;&#xFF0C;&#x5C31;&#x53EF;&#x4EE5;&#x91CF;&#x4EA7;&#x4E86;&#x4E00;&#x4E9B;&#x7EBF;&#x7A0B;&#xFF0C;&#x5E76;&#x4E14;&#x7B49;&#x5F85;&#x5B83;&#x4EEC;&#x7ED3;&#x675F;&#xFF0C;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#x6240;&#x793A;&#x3002;</p>
<p>&#x4EE3;&#x7801;2.8 &#x91CF;&#x4EA7;&#x7EBF;&#x7A0B;&#xFF0C;&#x7B49;&#x5F85;&#x5B83;&#x4EEC;&#x7ED3;&#x675F;</p>
<pre><code class="lang-c++"><span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">do_work</span><span class="hljs-params">(<span class="hljs-keyword">unsigned</span> id)</span></span>;

<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">f</span><span class="hljs-params">()</span>
</span>{
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-built_in">std</span>::thread&gt; threads;
  <span class="hljs-keyword">for</span> (<span class="hljs-keyword">unsigned</span> i = <span class="hljs-number">0</span>; i &lt; <span class="hljs-number">20</span>; ++i)
  {
    threads.emplace_back(do_work,i); <span class="hljs-comment">// &#x4EA7;&#x751F;&#x7EBF;&#x7A0B;</span>
  } 
  <span class="hljs-keyword">for</span> (<span class="hljs-keyword">auto</span>&amp; entry : threads) <span class="hljs-comment">// &#x5BF9;&#x6BCF;&#x4E2A;&#x7EBF;&#x7A0B;&#x8C03;&#x7528; join()</span>
    entry.join();       
}
</code></pre>
<p>&#x6211;&#x4EEC;&#x6709;&#x65F6;&#x9700;&#x8981;&#x7EBF;&#x7A0B;&#x53BB;&#x5206;&#x5272;&#x4E00;&#x4E2A;&#x7B97;&#x6CD5;&#x7684;&#x5DE5;&#x4F5C;&#x603B;&#x91CF;&#xFF0C;&#x6240;&#x4EE5;&#x5728;&#x7B97;&#x6CD5;&#x7ED3;&#x675F;&#x7684;&#x4E4B;&#x524D;&#xFF0C;&#x6240;&#x6709;&#x7684;&#x7EBF;&#x7A0B;&#x5FC5;&#x987B;&#x7ED3;&#x675F;&#x3002;&#x4EE3;&#x7801;2.8&#x4E2D;&#x7EBF;&#x7A0B;&#x6240;&#x505A;&#x7684;&#x5DE5;&#x4F5C;&#x90FD;&#x662F;&#x72EC;&#x7ACB;&#x7684;&#xFF0C;&#x5E76;&#x4E14;&#x7ED3;&#x679C;&#x4EC5;&#x4F1A;&#x53D7;&#x5230;&#x5171;&#x4EAB;&#x6570;&#x636E;&#x7684;&#x5F71;&#x54CD;&#x3002;&#x5982;&#x679C;f()&#x6709;&#x8FD4;&#x56DE;&#x503C;&#xFF0C;&#x8FD9;&#x4E2A;&#x8FD4;&#x56DE;&#x503C;&#x5C31;&#x4F9D;&#x8D56;&#x4E8E;&#x7EBF;&#x7A0B;&#x5F97;&#x5230;&#x7684;&#x7ED3;&#x679C;&#x3002;&#x5199;&#x5165;&#x8FD4;&#x56DE;&#x503C;&#x4E4B;&#x524D;&#xFF0C;&#x7A0B;&#x5E8F;&#x4F1A;&#x68C0;&#x67E5;&#x4F7F;&#x7528;&#x5171;&#x4EAB;&#x6570;&#x636E;&#x7684;&#x7EBF;&#x7A0B;&#x662F;&#x5426;&#x7EC8;&#x6B62;&#x3002;&#x7ED3;&#x679C;&#x5728;&#x4E0D;&#x540C;&#x7EBF;&#x7A0B;&#x4E2D;&#x8F6C;&#x79FB;&#x7684;&#x65B9;&#x6848;&#xFF0C;&#x4F1A;&#x5728;&#x7B2C;4&#x7AE0;&#x4E2D;&#x518D;&#x6B21;&#x8BA8;&#x8BBA;&#x3002;</p>
<p>&#x5C06;<code>std::thread</code>&#x653E;&#x5165;<code>std::vector</code>&#x662F;&#x5411;&#x7EBF;&#x7A0B;&#x81EA;&#x52A8;&#x5316;&#x7BA1;&#x7406;&#x8FC8;&#x51FA;&#x7684;&#x7B2C;&#x4E00;&#x6B65;&#xFF1A;&#x5E76;&#x975E;&#x4E3A;&#x8FD9;&#x4E9B;&#x7EBF;&#x7A0B;&#x521B;&#x5EFA;&#x72EC;&#x7ACB;&#x7684;&#x53D8;&#x91CF;&#xFF0C;&#x800C;&#x662F;&#x628A;&#x5B83;&#x4EEC;&#x5F53;&#x505A;&#x4E00;&#x4E2A;&#x7EC4;&#x3002;&#x521B;&#x5EFA;&#x4E00;&#x7EC4;&#x7EBF;&#x7A0B;(&#x6570;&#x91CF;&#x5728;&#x8FD0;&#x884C;&#x65F6;&#x786E;&#x5B9A;)&#xFF0C;&#x800C;&#x975E;&#x4EE3;&#x7801;2.8&#x90A3;&#x6837;&#x521B;&#x5EFA;&#x56FA;&#x5B9A;&#x6570;&#x91CF;&#x7684;&#x7EBF;&#x7A0B;&#x3002;</p>

                                
                                </section>
                            
    </div>
    <div class="search-results">
        <div class="has-results">
            
            <h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
            <ul class="search-results-list"></ul>
            
        </div>
        <div class="no-results">
            
            <h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
            
        </div>
    </div>
</div>

                        </div>
                    </div>
                
            </div>

            
                
                <a href="2.2-chinese.html" class="navigation navigation-prev " aria-label="Previous page: 2.2 传递参数">
                    <i class="fa fa-angle-left"></i>
                </a>
                
                
                <a href="2.4-chinese.html" class="navigation navigation-next " aria-label="Next page: 2.4 确定线程数量">
                    <i class="fa fa-angle-right"></i>
                </a>
                
            
        
    </div>

    <script>
        var gitbook = gitbook || [];
        gitbook.push(function() {
            gitbook.page.hasChanged({"page":{"title":"2.3 转移所有权","level":"1.9.3","depth":2,"next":{"title":"2.4 确定线程数量","level":"1.9.4","depth":2,"path":"content/chapter2/2.4-chinese.md","ref":"content/chapter2/2.4-chinese.md","articles":[]},"previous":{"title":"2.2 传递参数","level":"1.9.2","depth":2,"path":"content/chapter2/2.2-chinese.md","ref":"content/chapter2/2.2-chinese.md","articles":[]},"dir":"ltr"},"config":{"plugins":["livereload"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"plugins":["katex","ace"],"livereload":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"fontSettings":{"theme":"white","family":"msyh","size":2},"highlight":{},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","author":"陈晓伟 chenxiaowei","pdf":{"pageNumbers":false,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":10,"left":10,"top":10,"bottom":20}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"C++并发编程实战（第2版）","language":"zh-hans","gitbook":"*","description":"《C++ Concurrency In Action - SECOND EDITION》英文版的中文翻译版。","direction":"ltr"},"file":{"path":"content/chapter2/2.3-chinese.md","mtime":"2022-11-19T02:54:31.303Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2022-11-19T07:50:48.148Z"},"basePath":"../..","book":{"language":""}});
        });
    </script>
</div>

        
    <script src="../../gitbook/gitbook.js"></script>
    <script src="../../gitbook/theme.js"></script>
    
        
        <script src="../../gitbook/gitbook-plugin-livereload/plugin.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-search/search-engine.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-search/search.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-lunr/search-lunr.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-sharing/buttons.js"></script>
        
    
        
        <script src="../../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
        
    

    </body>
</html>

